...

app/src/main/res/drawable/progress_bar_clean.xml

+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <!--  设置背景色  -->
+    <item android:id="@android:id/background">
+        <shape>
+            <solid android:color="@android:color/transparent" />
+        </shape>
+    </item>
+
+    <!--  设置进度条颜色  -->
+    <item android:id="@android:id/progress">
+        <clip>
+            <shape>
+                <solid android:color="@color/white" />
+            </shape>
+        </clip>
+    </item>
+    <!-- 次要进度条颜色 -->
+<!--    <item android:id="@android:id/secondaryProgress">-->
+<!--        <clip>-->
+<!--            <shape>-->
+<!--                <solid android:color="#00FF00" /> -->
+<!--            </shape>-->
+<!--        </clip>-->
+<!--    </item>-->
+</layer-list>
\ No newline at end of file

app/src/main/res/drawable/shape_splash_s.xml

@@ -10,10 +10,7 @@
         </shape>
     </item>
 
-    <!--    android:bottom="3dp"-->
-    <!--    android:end="3dp"-->
-    <!--    android:start="3dp"-->
-    <!--    android:top="3dp"-->
+
     <item android:id="@android:id/progress">
         <scale android:scaleWidth="100%">
             <shape>

app/src/main/res/layout/activity_scan_junk.xml

@@ -77,6 +77,18 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tv_size" />
 
+        <ProgressBar
+            android:id="@+id/progress_bar"
+            style="@style/Widget.AppCompat.ProgressBar.Horizontal"
+            android:layout_width="match_parent"
+            android:layout_height="3dp"
+            android:indeterminate="true"
+            android:indeterminateBehavior="repeat"
+            android:indeterminateDrawable="@drawable/progress_bar_clean"
+            android:indeterminateDuration="500"
+
+            app:layout_constraintBottom_toTopOf="@id/tv_path" />
+
         <TextView
             android:id="@+id/tv_path"
             android:layout_width="match_parent"
@@ -90,6 +102,7 @@
             android:textSize="12sp"
             app:layout_constraintBottom_toBottomOf="parent"
             tools:ignore="RtlSymmetry"
+            tools:layout_editor_absoluteX="0dp"
             tools:text="Scan in progress:/storage/emulated/0/qitu/download" />
 
     </androidx.constraintlayout.widget.ConstraintLayout>